Vulnerability-Lookup

GHSA-Q4XF-3PMQ-3HW8

Vulnerability from github – Published: 2022-01-06 20:41 – Updated: 2021-03-29 16:20

Summary

Improper Restriction of XML External Entity Reference in Apache NiFi

Details

In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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JSON

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.11.4"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.nifi:nifi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.12.0-RC1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-13940"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-03-29T16:20:14Z",
    "nvd_published_at": "2020-10-01T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).",
  "id": "GHSA-q4xf-3pmq-3hw8",
  "modified": "2021-03-29T16:20:14Z",
  "published": "2022-01-06T20:41:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13940"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/nifi/commit/7f0416ee8bdcee95e28409cc6fae9c1394c2a798"
    },
    {
      "type": "WEB",
      "url": "https://nifi.apache.org/security#CVE-2020-13940"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Restriction of XML External Entity Reference in Apache NiFi"
}

CVE-2020-13940 (GCVE-0-2020-13940)

Vulnerability from cvelistv5 – Published: 2020-10-01 19:55 – Updated: 2024-08-04 12:32

Summary

Severity

No CVSS data available.

CWE

Information disclosure by XXE

Assigner

apache mitre root

References

1 reference

URL	Tags
https://nifi.apache.org/security#CVE-2020-13940	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Apache NiFi	Affected: Apache NiFi 1.0.0 to 1.11.4

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.454Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nifi.apache.org/security#CVE-2020-13940"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache NiFi",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Apache NiFi 1.0.0 to 1.11.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Information disclosure by XXE",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-01T19:55:16.000Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nifi.apache.org/security#CVE-2020-13940"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "ID": "CVE-2020-13940",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache NiFi",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Apache NiFi 1.0.0 to 1.11.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Information disclosure by XXE"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://nifi.apache.org/security#CVE-2020-13940",
              "refsource": "MISC",
              "url": "https://nifi.apache.org/security#CVE-2020-13940"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2020-13940",
    "datePublished": "2020-10-01T19:55:16.000Z",
    "dateReserved": "2020-06-08T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:32:14.454Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-Q4XF-3PMQ-3HW8

CVE-2020-13940 (GCVE-0-2020-13940)

Tags

Sightings

Nomenclature